Let W be my confidence that global warming of several degrees celsius is really occurring or about to occur
Let D be my best estimate of consequences, given the warming
Let H be my confidence that given the warming, it is mostly due to human activity
Let P(C) be my confidence that this human activity can be nullified or sufficiently mitigated at a global cost of C (given everything previous)
Then
W*H*P(C) < 0.5 for values of C that are realistic As C increases, C becomes greater than D before W*H*P(C) becomes greater than 0.9 (and D could even be negative!)
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Incestuous Jihad